Toyota RAV4 manuals

Toyota Sienna Service Manual: On-vehicle inspection

1. CHECK RADIATOR RESERVOIR CAP SUBASSEMBLY

Check radiator reservoir cap subassembly

a) Measure the valve opening pressure.

(1) If there are water stains or foreign matter on rubber packings 1, 2 or 3, clean the part(s) with water and finger scouring.

(2) Check that rubber packings 1, 2 and 3 are not deformed, cracked or swollen.

(3) Check that rubber packings 3 and 4 are not stuck together.

(4) Apply engine coolant to rubber packings 2 and 3 before using the radiator cap tester.

(5) When using the cap tester, tilt it to 30° or more above the horizontal.

(6) Pump the cap tester several times, and check the maximum pressure*.

Pump speed: 1 pump per second

*: Even if the cap cannot maintain the maximum pressure, it is not a defect.

Check radiator reservoir cap subassembly

Judgment criterion

If the maximum pressure is less than the minimum standard value, replace the radiator reservoir cap sub-assembly.

Radiator
COMPONENTS ...

On-vehicle cleaning
1. INSPECT RADIATOR ASSEMBLY (a) Check that the radiator and condenser are not blocked with leaves, dirt, or insects. Clean the hose connections. If the fins are blocked, wash them with water or ...

Other materials:

Data list / active test
1. READ DATA LIST HINT: Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be disco ...

Lost Communication with Steering Angle Sensor Module
DTC U0126 Lost Communication with Steering Angle Sensor Module DESCRIPTION This circuit detects the angle and direction of the steering wheel and automatically transmits a signal to the skid control ECU and distance control ECU. DTC No. DTC Detection Condition Trouble ...

Precaution
1. NOTES FOR CLEARANCE SONAR SYSTEM  Under the following conditions, the sensor of the clearance sonar may not operate properly:  Foreign matter such as snow or mud gets on the sensor (the detection function will return to normal when the foreign matter is no longer prese ...

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